6[3]Chen Yu Lin.Process for the preparation of aryl-substituted propionic acid esters:U S,5089656[P].1992.
7[4]Uohama,Misao,Takahashi,Katsuji,Preparation of alkyl.beta.-(3,5-dialkyl-4-hydroxyphenyl)propionates as (intermediates for)antioxidants:J P,05238989A2[P].1993.
8[5]Sumitomo Chemical Co,Ltd.Phenols:J P,56135443A2[P].1981.
9[6]Takahashi,Katsuji,Uohama,Misao.Preparation of tetrakis[3-(3,5-dialkyl-4-hydroxyphenyl) propionyl-oxyalkyl]methane:JP,06048989 A2[P].1994.
10[8]Moy S A,McWilliams K W.Antioxidant compostions:US,6303052[P].2001.
